CONTENTS VOLUME 41 ISSUE 4 5 SAE & Member News 2 SAE Books wins five Independent Press Awards 5 A Q&A with SAE's new VP of aerospace, Christopher Payne 7 Date set for the annual meeting of the SAE membership Member Benefits 8 What's happening in Connexion+ TECH FOCUS: MATEriAlS 10 Three billion years of r&D 14 New methodology critical for lightweighting body panels 18 renewable diesel offers drop-in solution for decarbonization 24 Continuous fiber-reinforced polymers for aerospace 28 A look at SAE International Journal of Materials and Manufacturing 10 Engineering Events 32 Plan to attend 34 Call for papers 35 D.C. Section a powerhouse at GIM event and beyond 38 Build a gameplan for WCX 2024 Standards & Committees 40 Future fuels: What SAE J2601-5 means for industry amidst growing interest in hydrogen Publications 44 Book spotlights Professional Development 48 SAE and ChargerHelp! partner to solve the biggest issue with charging Advertising 52 Classified advertising 40 On the cover Material developments like carbon-fiber composites bring lightweight mobility solutions to the forefront of possibility. Shutterstock/Composite_Carbonman UPDATE April 2024 1